-diff -urp libvirt-2.3.0.orig/src/qemu/qemu_command.c libvirt-2.3.0/src/qemu/qemu_command.c
---- libvirt-2.3.0.orig/src/qemu/qemu_command.c 2016-10-28 19:15:31.893715000 +0000
-+++ libvirt-2.3.0/src/qemu/qemu_command.c 2016-10-28 19:15:54.915715000 +0000
-@@ -7536,6 +7536,10 @@ qemuBuildGraphicsVNCCommandLine(virQEMUD
+diff -urp libvirt-4.2.0.orig/src/qemu/qemu_command.c libvirt-4.2.0/src/qemu/qemu_command.c
+--- libvirt-4.2.0.orig/src/qemu/qemu_command.c 2018-04-12 12:47:51.427576965 +0000
++++ libvirt-4.2.0/src/qemu/qemu_command.c 2018-04-12 12:48:01.793576849 +0000
+@@ -7893,6 +7893,10 @@ qemuBuildGraphicsVNCCommandLine(virQEMUD